After a tumultuous summer vacation, Shuuichi begins the second school term while under the constant love assault from Ai and Mio. One day the tennis club leader Reiko announced that they will participate in the school festival at the end of the month, which they decided to run a cosplay cafe after much wrangling. Afterwards, she decided that she wanted to run as a candidate for next term's student council. That wasn?t the end of his tumultuous days as a transfer student suddenly appeared in his class...

Sakuraya Academy is a high-class girls' school. Its stringent selection process is designed to ensure that they take in only the of thest social elite. Kannari Masayoshi is a 4th-year teacher at Sakuraya. Due to his kind and cool nature, all the students fawn over him. However, this is only his outward nature. He makes use of his popularity to form affairs with many of his students. Now, his sights are set on a new girl, Kirihara Yukino.

Katsuragi's beloved grandpa recently died from a stroke. After his grandpa's death, Katsuragi is contacted by the family at the estate where his grandpa worked as a butler. The family asks him to work there as a butler to replace his grandpa. It turns out, his grandpa was the caretaker of the girl, who is the same age as Katsuragi, so he will now be in charge of taking care of her. When he is asked to take a bunch of boxes to her room, he walks in on her masturbating. How will she react?

When the main character visits his school during summer holiday, he accidentally finds Sukumi, his classmate, masturbating in female locker room. "If you don't want me to bring it out into the open, come here every day!" Her orders gradually get bolder and they have sex in the pool... Super erotic summer holiday! His endless summer with Sukumi now starts!